/*
==================
GL_RenderView
==================
*/
static void D3D10_RenderView( void )
{
if ( r_logFile->integer )
{
// don't just call LogComment, or we will get a call to va() every frame!
GLimp_LogComment( va
( "--- D3D10_RenderView( %i surfaces, %i interactions ) ---\n", backEnd.viewParms.numDrawSurfs,
backEnd.viewParms.numInteractions ) );
}
backEnd.pc.c_surfaces += backEnd.viewParms.numDrawSurfs;
//if(r_deferredShading->integer && glConfig.framebufferObjectAvailable && glConfig.textureFloatAvailable &&
// glConfig.drawBuffersAvailable && glConfig.maxDrawBuffers >= 4)
{
int clearBits = 0;
// clear the back buffer
float ClearColor[ 4 ] = { 0.0f, 0.125f, 0.3f, 1.0f }; // red,green,blue,alpha
dx.d3dDevice->ClearRenderTargetView( dx.renderTargetView, ClearColor );
#if 0
// render a triangle
D3D10_TECHNIQUE_DESC techDesc;
dx.genericTechnique->GetDesc( &techDesc );
for ( UINT p = 0; p < techDesc.Passes; ++p )
{
dx.genericTechnique->GetPassByIndex( p )->Apply( 0 );
dx.d3dDevice->Draw( 3, 0 );
}
#endif
/*
// sync with gl if needed
if(r_finish->integer == 1 && !glState.finishCalled)
{
//qglFinish();
glState.finishCalled = qtrue;
}
if(r_finish->integer == 0)
{
glState.finishCalled = qtrue;
}
*/
// we will need to change the projection matrix before drawing
// 2D images again
backEnd.projection2D = qfalse;
// set the modelview matrix for the viewer
SetViewportAndScissor();
// ensures that depth writes are enabled for the depth clear
//GL_State(GLS_DEFAULT);
// clear frame buffer objects
//R_BindFBO(tr.deferredRenderFBO);
//qglClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
//clearBits = GL_DEPTH_BUFFER_BIT;
/*
if(!(backEnd.refdef.rdflags & RDF_NOWORLDMODEL))
{
clearBits |= GL_COLOR_BUFFER_BIT;
GL_ClearColor(0.0f, 0.0f, 0.0f, 1.0f); // FIXME: get color of sky
}
qglClear(clearBits);
R_BindFBO(tr.geometricRenderFBO);
if(!(backEnd.refdef.rdflags & RDF_NOWORLDMODEL))
{
clearBits = GL_COLOR_BUFFER_BIT;
GL_ClearColor(0.0f, 0.0f, 0.0f, 1.0f); // FIXME: get color of sky
}
else
{
if(glConfig.framebufferBlitAvailable)
{
// copy color of the main context to deferredRenderFBO
qglBindFramebufferEXT(GL_READ_FRAMEBUFFER_EXT, 0);
qglBindFramebufferEXT(GL_DRAW_FRAMEBUFFER_EXT, tr.deferredRenderFBO->frameBuffer);
qglBlitFramebufferEXT(0, 0, glConfig.vidWidth, glConfig.vidHeight,
0, 0, glConfig.vidWidth, glConfig.vidHeight,
GL_COLOR_BUFFER_BIT,
GL_NEAREST);
}
}
qglClear(clearBits);
*/
/*
if(r_deferredShading->integer == DS_PREPASS_LIGHTING)
{
R_BindFBO(tr.geometricRenderFBO);
if(!(backEnd.refdef.rdflags & RDF_NOWORLDMODEL))
{
clearBits = GL_COLOR_BUFFER_BIT;
GL_ClearColor(0.0f, 0.0f, 0.0f, 1.0f);
qglClear(clearBits);
}
}
*/
if ( ( backEnd.refdef.rdflags & RDF_HYPERSPACE ) )
{
RB_Hyperspace();
return;
}
else
{
backEnd.isHyperspace = qfalse;
}
//glState.faceCulling = -1; // force face culling to set next time
// we will only draw a sun if there was sky rendered in this view
backEnd.skyRenderedThisView = qfalse;
//GL_CheckErrors();
#if 0
if ( r_deferredShading->integer == DS_STANDARD )
{
// draw everything that is opaque
R_BindFBO( tr.deferredRenderFBO );
RB_RenderDrawSurfaces( qtrue, qfalse );
}
#endif
//D3D10_RenderDrawSurfacesIntoGeometricBuffer();
// try to cull lights using hardware occlusion queries
//R_BindFBO(tr.deferredRenderFBO);
//RB_RenderLightOcclusionQueries();
//if(r_deferredShading->integer == DS_PREPASS_LIGHTING)
{
/*
if(r_shadows->integer >= 4)
{
// render dynamic shadowing and lighting using shadow mapping
RB_RenderInteractionsDeferredShadowMapped();
}
else
*/
{
// render dynamic lighting
// TODO D3D10_RenderInteractionsDeferredIntoLightBuffer();
}
// render opaque surfaces using the light buffer results
// TODo
}
/*
// render global fog
R_BindFBO(tr.deferredRenderFBO);
RB_RenderUniformFog();
// render debug information
R_BindFBO(tr.deferredRenderFBO);
RB_RenderDebugUtils();
// scale down rendered HDR scene to 1 / 4th
if(r_hdrRendering->integer)
{
if(glConfig.framebufferBlitAvailable)
{
qglBindFramebufferEXT(GL_READ_FRAMEBUFFER_EXT, tr.deferredRenderFBO->frameBuffer);
qglBindFramebufferEXT(GL_DRAW_FRAMEBUFFER_EXT, tr.downScaleFBO_quarter->frameBuffer);
qglBlitFramebufferEXT(0, 0, glConfig.vidWidth, glConfig.vidHeight,
0, 0, glConfig.vidWidth * 0.25f, glConfig.vidHeight * 0.25f,
GL_COLOR_BUFFER_BIT,
GL_LINEAR);
qglBindFramebufferEXT(GL_READ_FRAMEBUFFER_EXT, tr.deferredRenderFBO->frameBuffer);
qglBindFramebufferEXT(GL_DRAW_FRAMEBUFFER_EXT, tr.downScaleFBO_64x64->frameBuffer);
qglBlitFramebufferEXT(0, 0, glConfig.vidWidth, glConfig.vidHeight,
0, 0, 64, 64,
GL_COLOR_BUFFER_BIT,
GL_LINEAR);
}
else
{
// FIXME add non EXT_framebuffer_blit code
}
RB_CalculateAdaptation();
}
else
{
if(glConfig.framebufferBlitAvailable)
{
// copy deferredRenderFBO to downScaleFBO_quarter
qglBindFramebufferEXT(GL_READ_FRAMEBUFFER_EXT, tr.deferredRenderFBO->frameBuffer);
qglBindFramebufferEXT(GL_DRAW_FRAMEBUFFER_EXT, tr.downScaleFBO_quarter->frameBuffer);
qglBlitFramebufferEXT(0, 0, glConfig.vidWidth, glConfig.vidHeight,
0, 0, glConfig.vidWidth * 0.25f, glConfig.vidHeight * 0.25f,
GL_COLOR_BUFFER_BIT,
GL_LINEAR);
}
else
{
// FIXME add non EXT_framebuffer_blit code
}
}
GL_CheckErrors();
// render bloom post process effect
RB_RenderBloom();
// copy offscreen rendered scene to the current OpenGL context
RB_RenderDeferredShadingResultToFrameBuffer();
if(backEnd.viewParms.isPortal)
{
if(glConfig.framebufferBlitAvailable)
{
// copy deferredRenderFBO to portalRenderFBO
qglBindFramebufferEXT(GL_READ_FRAMEBUFFER_EXT, tr.deferredRenderFBO->frameBuffer);
qglBindFramebufferEXT(GL_DRAW_FRAMEBUFFER_EXT, tr.portalRenderFBO->frameBuffer);
qglBlitFramebufferEXT(0, 0, tr.deferredRenderFBO->width, tr.deferredRenderFBO->height,
0, 0, tr.portalRenderFBO->width, tr.portalRenderFBO->height,
GL_COLOR_BUFFER_BIT,
GL_NEAREST);
}
else
{
// capture current color buffer
GL_SelectTexture(0);
GL_Bind(tr.portalRenderImage);
qglCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, 0, 0, tr.portalRenderImage->uploadWidth, tr.portalRenderImage->uploadHeight);
}
backEnd.pc.c_portals++;
}
*/
}
backEnd.pc.c_views++;
}
/*
=================
RB_BeginDrawingView
Any mirrored or portaled views have already been drawn, so prepare
to actually render the visible surfaces for this view
=================
*/
void RB_BeginDrawingView( void )
{
int clearBits = 0;
// sync with gl if needed
if ( r_finish->integer == 1 && !glState.finishCalled )
{
glFinish();
glState.finishCalled = qtrue;
}
if ( r_finish->integer == 0 )
{
glState.finishCalled = qtrue;
}
// we will need to change the projection matrix before drawing
// 2D images again
backEnd.projection2D = qfalse;
//
// set the modelview matrix for the viewer
//
SetViewportAndScissor();
// ensures that depth writes are enabled for the depth clear
GL_State( GLS_DEFAULT );
////////// (SA) modified to ensure one glclear() per frame at most
// clear relevant buffers
clearBits = 0;
clearBits |= GL_STENCIL_BUFFER_BIT;
// ydnar: global q3 fog volume
if ( tr.world && tr.world->globalFog >= 0 )
{
clearBits |= GL_DEPTH_BUFFER_BIT;
clearBits |= GL_COLOR_BUFFER_BIT;
//
glClearColor( tr.world->fogs[ tr.world->globalFog ].shader->fogParms.color[ 0 ] * tr.identityLight,
tr.world->fogs[ tr.world->globalFog ].shader->fogParms.color[ 1 ] * tr.identityLight,
tr.world->fogs[ tr.world->globalFog ].shader->fogParms.color[ 2 ] * tr.identityLight, 1.0 );
}
else if ( skyboxportal )
{
if ( backEnd.refdef.rdflags & RDF_SKYBOXPORTAL )
{
// portal scene, clear whatever is necessary
clearBits |= GL_DEPTH_BUFFER_BIT;
if ( r_fastsky->integer || backEnd.refdef.rdflags & RDF_NOWORLDMODEL )
{
// fastsky: clear color
// try clearing first with the portal sky fog color, then the world fog color, then finally a default
clearBits |= GL_COLOR_BUFFER_BIT;
if ( glfogsettings[ FOG_PORTALVIEW ].registered )
{
glClearColor( glfogsettings[ FOG_PORTALVIEW ].color[ 0 ], glfogsettings[ FOG_PORTALVIEW ].color[ 1 ],
glfogsettings[ FOG_PORTALVIEW ].color[ 2 ], glfogsettings[ FOG_PORTALVIEW ].color[ 3 ] );
}
else if ( glfogNum > FOG_NONE && glfogsettings[ FOG_CURRENT ].registered )
{
glClearColor( glfogsettings[ FOG_CURRENT ].color[ 0 ], glfogsettings[ FOG_CURRENT ].color[ 1 ],
glfogsettings[ FOG_CURRENT ].color[ 2 ], glfogsettings[ FOG_CURRENT ].color[ 3 ] );
}
else
{
// glClearColor ( 1.0, 0.0, 0.0, 1.0 ); // red clear for testing portal sky clear
glClearColor( 0.5, 0.5, 0.5, 1.0 );
}
}
else
{
// rendered sky (either clear color or draw quake sky)
if ( glfogsettings[ FOG_PORTALVIEW ].registered )
{
glClearColor( glfogsettings[ FOG_PORTALVIEW ].color[ 0 ], glfogsettings[ FOG_PORTALVIEW ].color[ 1 ],
glfogsettings[ FOG_PORTALVIEW ].color[ 2 ], glfogsettings[ FOG_PORTALVIEW ].color[ 3 ] );
if ( glfogsettings[ FOG_PORTALVIEW ].clearscreen )
{
// portal fog requests a screen clear (distance fog rather than quake sky)
clearBits |= GL_COLOR_BUFFER_BIT;
}
}
}
}
else
{
// world scene with portal sky, don't clear any buffers, just set the fog color if there is one
clearBits |= GL_DEPTH_BUFFER_BIT; // this will go when I get the portal sky rendering way out in the zbuffer (or not writing to zbuffer at all)
if ( glfogNum > FOG_NONE && glfogsettings[ FOG_CURRENT ].registered )
{
if ( backEnd.refdef.rdflags & RDF_UNDERWATER )
{
if ( glfogsettings[ FOG_CURRENT ].mode == GL_LINEAR )
{
clearBits |= GL_COLOR_BUFFER_BIT;
}
}
else if ( !( r_portalsky->integer ) )
{
// portal skies have been manually turned off, clear bg color
clearBits |= GL_COLOR_BUFFER_BIT;
}
glClearColor( glfogsettings[ FOG_CURRENT ].color[ 0 ], glfogsettings[ FOG_CURRENT ].color[ 1 ],
glfogsettings[ FOG_CURRENT ].color[ 2 ], glfogsettings[ FOG_CURRENT ].color[ 3 ] );
}
else if ( !( r_portalsky->integer ) )
{
// ydnar: portal skies have been manually turned off, clear bg color
clearBits |= GL_COLOR_BUFFER_BIT;
glClearColor( 0.5, 0.5, 0.5, 1.0 );
}
}
}
else
{
// world scene with no portal sky
clearBits |= GL_DEPTH_BUFFER_BIT;
// NERVE - SMF - we don't want to clear the buffer when no world model is specified
if ( backEnd.refdef.rdflags & RDF_NOWORLDMODEL )
{
clearBits &= ~GL_COLOR_BUFFER_BIT;
}
// -NERVE - SMF
else if ( r_fastsky->integer || backEnd.refdef.rdflags & RDF_NOWORLDMODEL )
{
clearBits |= GL_COLOR_BUFFER_BIT;
if ( glfogsettings[ FOG_CURRENT ].registered )
{
// try to clear fastsky with current fog color
glClearColor( glfogsettings[ FOG_CURRENT ].color[ 0 ], glfogsettings[ FOG_CURRENT ].color[ 1 ],
glfogsettings[ FOG_CURRENT ].color[ 2 ], glfogsettings[ FOG_CURRENT ].color[ 3 ] );
}
else
{
// glClearColor ( 0.0, 0.0, 1.0, 1.0 ); // blue clear for testing world sky clear
glClearColor( 0.05, 0.05, 0.05, 1.0 ); // JPW NERVE changed per id req was 0.5s
}
}
else
{
// world scene, no portal sky, not fastsky, clear color if fog says to, otherwise, just set the clearcolor
if ( glfogsettings[ FOG_CURRENT ].registered )
{
// try to clear fastsky with current fog color
glClearColor( glfogsettings[ FOG_CURRENT ].color[ 0 ], glfogsettings[ FOG_CURRENT ].color[ 1 ],
glfogsettings[ FOG_CURRENT ].color[ 2 ], glfogsettings[ FOG_CURRENT ].color[ 3 ] );
if ( glfogsettings[ FOG_CURRENT ].clearscreen )
{
// world fog requests a screen clear (distance fog rather than quake sky)
clearBits |= GL_COLOR_BUFFER_BIT;
}
}
}
}
// ydnar: don't clear the color buffer when no world model is specified
if ( backEnd.refdef.rdflags & RDF_NOWORLDMODEL )
{
clearBits &= ~GL_COLOR_BUFFER_BIT;
}
if ( clearBits )
{
glClear( clearBits );
}
//----(SA) done
if ( ( backEnd.refdef.rdflags & RDF_HYPERSPACE ) )
{
RB_Hyperspace();
return;
}
else
{
backEnd.isHyperspace = qfalse;
}
glState.faceCulling = -1; // force face culling to set next time
// we will only draw a sun if there was sky rendered in this view
backEnd.skyRenderedThisView = qfalse;
}
/*
=================
RB_BeginDrawingView
Any mirrored or portaled views have already been drawn, so prepare
to actually render the visible surfaces for this view
=================
*/
void RB_BeginDrawingView (void) {
int clearBits = 0;
// sync with gl if needed
if ( r_finish->integer == 1 && !glState.finishCalled ) {
qglFinish ();
glState.finishCalled = qtrue;
}
if ( r_finish->integer == 0 ) {
glState.finishCalled = qtrue;
}
// we will need to change the projection matrix before drawing
// 2D images again
backEnd.projection2D = qfalse;
//
// set the modelview matrix for the viewer
//
SetViewportAndScissor();
// ensures that depth writes are enabled for the depth clear
GL_State( GLS_DEFAULT );
// clear relevant buffers
clearBits = GL_DEPTH_BUFFER_BIT;
if ( r_measureOverdraw->integer || r_shadows->integer == 2 )
{
clearBits |= GL_STENCIL_BUFFER_BIT;
}
if ( r_fastsky->integer && !( backEnd.refdef.rdflags & RDF_NOWORLDMODEL ) )
{
clearBits |= GL_COLOR_BUFFER_BIT; // FIXME: only if sky shaders have been used
qglClearColor( 0.8f, 0.7f, 0.4f, 1 ); // FIXME: get color of sky
}
qglClear( clearBits );
if ( ( backEnd.refdef.rdflags & RDF_HYPERSPACE ) )
{
RB_Hyperspace();
return;
}
else
{
backEnd.isHyperspace = qfalse;
}
glState.faceCulling = -1; // force face culling to set next time
// we will only draw a sun if there was sky rendered in this view
backEnd.skyRenderedThisView = qfalse;
// clip to the plane of the portal
if ( backEnd.viewParms.isPortal ) {
float plane[4];
double plane2[4];
plane[0] = backEnd.viewParms.portalPlane.normal[0];
plane[1] = backEnd.viewParms.portalPlane.normal[1];
plane[2] = backEnd.viewParms.portalPlane.normal[2];
plane[3] = backEnd.viewParms.portalPlane.dist;
plane2[0] = DotProduct (backEnd.viewParms.or.axis[0], plane);
plane2[1] = DotProduct (backEnd.viewParms.or.axis[1], plane);
plane2[2] = DotProduct (backEnd.viewParms.or.axis[2], plane);
plane2[3] = DotProduct (plane, backEnd.viewParms.or.origin) - plane[3];
qglLoadMatrixf( s_flipMatrix );
qglClipPlane (GL_CLIP_PLANE0, plane2);
qglEnable (GL_CLIP_PLANE0);
} else {
qglDisable (GL_CLIP_PLANE0);
}
}
/*
=================
RB_BeginDrawingView
Any mirrored or portaled views have already been drawn, so prepare
to actually render the visible surfaces for this view
=================
*/
void RB_BeginDrawingView(void)
{
int clearBits = 0;
// sync with gl if needed
if(r_finish->integer == 1 && !glState.finishCalled)
{
qglFinish();
glState.finishCalled = qtrue;
}
if(r_finish->integer == 0)
{
glState.finishCalled = qtrue;
}
// we will need to change the projection matrix before drawing
// 2D images again
backEnd.projection2D = qfalse;
//
// set the modelview matrix for the viewer
//
SetViewportAndScissor();
// ensures that depth writes are enabled for the depth clear
GL_State(GLS_DEFAULT);
////////// (SA) modified to ensure one glclear() per frame at most
// clear relevant buffers
clearBits = 0;
if(r_measureOverdraw->integer || r_shadows->integer == 2)
{
clearBits |= GL_STENCIL_BUFFER_BIT;
}
if(r_uiFullScreen->integer)
{
clearBits = GL_DEPTH_BUFFER_BIT; // (SA) always just clear depth for menus
}
else if(skyboxportal)
{
if(backEnd.refdef.rdflags & RDF_SKYBOXPORTAL) // portal scene, clear whatever is necessary
{
clearBits |= GL_DEPTH_BUFFER_BIT;
if(r_fastsky->integer || backEnd.refdef.rdflags & RDF_NOWORLDMODEL) // fastsky: clear color
{
// try clearing first with the portal sky fog color, then the world fog color, then finally a default
clearBits |= GL_COLOR_BUFFER_BIT;
if(glfogsettings[FOG_PORTALVIEW].registered)
{
qglClearColor(glfogsettings[FOG_PORTALVIEW].color[0], glfogsettings[FOG_PORTALVIEW].color[1], glfogsettings[FOG_PORTALVIEW].color[2], glfogsettings[FOG_PORTALVIEW].color[3]);
}
else if(glfogNum > FOG_NONE && glfogsettings[FOG_CURRENT].registered)
{
qglClearColor(glfogsettings[FOG_CURRENT].color[0], glfogsettings[FOG_CURRENT].color[1], glfogsettings[FOG_CURRENT].color[2], glfogsettings[FOG_CURRENT].color[3]);
}
else
{
// qglClearColor ( 1.0, 0.0, 0.0, 1.0 ); // red clear for testing portal sky clear
qglClearColor(0.5, 0.5, 0.5, 1.0);
}
}
else // rendered sky (either clear color or draw quake sky)
{
if(glfogsettings[FOG_PORTALVIEW].registered)
{
qglClearColor(glfogsettings[FOG_PORTALVIEW].color[0], glfogsettings[FOG_PORTALVIEW].color[1], glfogsettings[FOG_PORTALVIEW].color[2], glfogsettings[FOG_PORTALVIEW].color[3]);
if(glfogsettings[FOG_PORTALVIEW].clearscreen) // portal fog requests a screen clear (distance fog rather than quake sky)
{
clearBits |= GL_COLOR_BUFFER_BIT;
}
}
}
}
else // world scene with portal sky, don't clear any buffers, just set the fog color if there is one
{
clearBits |= GL_DEPTH_BUFFER_BIT; // this will go when I get the portal sky rendering way out in the zbuffer (or not writing to zbuffer at all)
if(glfogNum > FOG_NONE && glfogsettings[FOG_CURRENT].registered)
{
if(backEnd.refdef.rdflags & RDF_UNDERWATER)
{
if(glfogsettings[FOG_CURRENT].mode == GL_LINEAR)
{
clearBits |= GL_COLOR_BUFFER_BIT;
}
}
else if(!(r_portalsky->integer)) // portal skies have been manually turned off, clear bg color
{
clearBits |= GL_COLOR_BUFFER_BIT;
}
qglClearColor(glfogsettings[FOG_CURRENT].color[0], glfogsettings[FOG_CURRENT].color[1], glfogsettings[FOG_CURRENT].color[2], glfogsettings[FOG_CURRENT].color[3]);
}
}
}
else // world scene with no portal sky
{
clearBits |= GL_DEPTH_BUFFER_BIT;
// NERVE - SMF - we don't want to clear the buffer when no world model is specified
if(backEnd.refdef.rdflags & RDF_NOWORLDMODEL)
{
clearBits &= ~GL_COLOR_BUFFER_BIT;
}
// -NERVE - SMF
// (SA) well, this is silly then
else if(r_fastsky->integer) // || backEnd.refdef.rdflags & RDF_NOWORLDMODEL
{
clearBits |= GL_COLOR_BUFFER_BIT;
if(glfogsettings[FOG_CURRENT].registered) // try to clear fastsky with current fog color
{
qglClearColor(glfogsettings[FOG_CURRENT].color[0], glfogsettings[FOG_CURRENT].color[1], glfogsettings[FOG_CURRENT].color[2], glfogsettings[FOG_CURRENT].color[3]);
}
else
{
// qglClearColor ( 0.0, 0.0, 1.0, 1.0 ); // blue clear for testing world sky clear
qglClearColor(0.5, 0.5, 0.5, 1.0);
}
}
else // world scene, no portal sky, not fastsky, clear color if fog says to, otherwise, just set the clearcolor
{
if(glfogsettings[FOG_CURRENT].registered) // try to clear fastsky with current fog color
{
qglClearColor(glfogsettings[FOG_CURRENT].color[0], glfogsettings[FOG_CURRENT].color[1], glfogsettings[FOG_CURRENT].color[2], glfogsettings[FOG_CURRENT].color[3]);
if(glfogsettings[FOG_CURRENT].clearscreen) // world fog requests a screen clear (distance fog rather than quake sky)
{
clearBits |= GL_COLOR_BUFFER_BIT;
}
}
}
}
if(clearBits)
{
qglClear(clearBits);
}
//----(SA) done
if((backEnd.refdef.rdflags & RDF_HYPERSPACE))
{
RB_Hyperspace();
return;
}
else
{
backEnd.isHyperspace = qfalse;
}
glState.faceCulling = -1; // force face culling to set next time
// we will only draw a sun if there was sky rendered in this view
backEnd.skyRenderedThisView = qfalse;
// clip to the plane of the portal
if(backEnd.viewParms.isPortal)
{
float plane[4];
double plane2[4];
plane[0] = backEnd.viewParms.portalPlane.normal[0];
plane[1] = backEnd.viewParms.portalPlane.normal[1];
plane[2] = backEnd.viewParms.portalPlane.normal[2];
plane[3] = backEnd.viewParms.portalPlane.dist;
plane2[0] = DotProduct(backEnd.viewParms.or.axis[0], plane);
plane2[1] = DotProduct(backEnd.viewParms.or.axis[1], plane);
plane2[2] = DotProduct(backEnd.viewParms.or.axis[2], plane);
plane2[3] = DotProduct(plane, backEnd.viewParms.or.origin) - plane[3];
qglLoadMatrixf(s_flipMatrix);
qglClipPlane(GL_CLIP_PLANE0, plane2);
qglEnable(GL_CLIP_PLANE0);
}
else
{
qglDisable(GL_CLIP_PLANE0);
}
}
/*
* RB_BeginDrawingView
*
* Any mirrored or portaled views have already been drawn, so prepare
* to actually render the visible surfaces for this view
*/
void
RB_BeginDrawingView(void)
{
int clearBits = 0;
/* sync with gl if needed */
if(r_finish->integer == 1 && !glState.finishCalled){
qglFinish ();
glState.finishCalled = qtrue;
}
if(r_finish->integer == 0){
glState.finishCalled = qtrue;
}
/* we will need to change the projection matrix before drawing
* 2D images again */
backEnd.projection2D = qfalse;
if(glRefConfig.framebufferObject){
/* FIXME: HUGE HACK: render to the screen fbo if we've already postprocessed the frame and aren't drawing more world */
if(backEnd.viewParms.targetFbo == tr.renderFbo && backEnd.framePostProcessed &&
(backEnd.refdef.rdflags & RDF_NOWORLDMODEL)){
FBO_Bind(tr.screenScratchFbo);
}else{
FBO_Bind(backEnd.viewParms.targetFbo);
}
}
/*
* set the modelview matrix for the viewer
* */
SetViewportAndScissor();
/* ensures that depth writes are enabled for the depth clear */
GL_State(GLS_DEFAULT);
/* clear relevant buffers */
clearBits = GL_DEPTH_BUFFER_BIT;
if(r_measureOverdraw->integer || r_shadows->integer == 2){
clearBits |= GL_STENCIL_BUFFER_BIT;
}
if(r_fastsky->integer && !(backEnd.refdef.rdflags & RDF_NOWORLDMODEL)){
clearBits |= GL_COLOR_BUFFER_BIT; /* FIXME: only if sky shaders have been used */
#ifdef _DEBUG
qglClearColor(0.8f, 0.7f, 0.4f, 1.0f); /* FIXME: get color of sky */
#else
qglClearColor(0.0f, 0.0f, 0.0f, 1.0f); /* FIXME: get color of sky */
#endif
}
/* clear to white for shadow maps */
if(backEnd.viewParms.isShadowmap){
clearBits |= GL_COLOR_BUFFER_BIT;
qglClearColor(1.0f, 1.0f, 1.0f, 1.0f);
}
qglClear(clearBits);
if((backEnd.refdef.rdflags & RDF_HYPERSPACE)){
RB_Hyperspace();
return;
}else{
backEnd.isHyperspace = qfalse;
}
glState.faceCulling = -1; /* force face culling to set next time */
/* we will only draw a sun if there was sky rendered in this view */
backEnd.skyRenderedThisView = qfalse;
#ifdef REACTION
backEnd.hasSunFlare = qfalse;
#endif
/* clip to the plane of the portal */
if(backEnd.viewParms.isPortal){
float plane[4];
double plane2[4];
plane[0] = backEnd.viewParms.portalPlane.normal[0];
plane[1] = backEnd.viewParms.portalPlane.normal[1];
plane[2] = backEnd.viewParms.portalPlane.normal[2];
plane[3] = backEnd.viewParms.portalPlane.dist;
plane2[0] = dotv3 (backEnd.viewParms.or.axis[0], plane);
plane2[1] = dotv3 (backEnd.viewParms.or.axis[1], plane);
plane2[2] = dotv3 (backEnd.viewParms.or.axis[2], plane);
plane2[3] = dotv3 (plane, backEnd.viewParms.or.origin) - plane[3];
GL_SetModelviewMatrix(s_flipMatrix);
}
}
/*
=============
RB_DrawSurfs
=============
*/
const void *RB_DrawSurfs( const void *data ) {
const drawSurfsCommand_t *cmd;
// finish any 2D drawing if needed
if ( tess.numIndexes ) {
RB_EndSurface();
}
cmd = (const drawSurfsCommand_t *)data;
backEnd.refdef = cmd->refdef;
backEnd.viewParms = cmd->viewParms;
// clear the z buffer, set the modelview, etc
RB_BeginDrawingView ();
if (glRefConfig.framebufferObject && (backEnd.viewParms.flags & VPF_DEPTHCLAMP) && glRefConfig.depthClamp)
{
qglEnable(GL_DEPTH_CLAMP);
}
if (glRefConfig.framebufferObject && !(backEnd.refdef.rdflags & RDF_NOWORLDMODEL) && (r_depthPrepass->integer || (backEnd.viewParms.flags & VPF_DEPTHSHADOW)))
{
FBO_t *oldFbo = glState.currentFBO;
backEnd.depthFill = qtrue;
qglColorMask(GL_FALSE, GL_FALSE, GL_FALSE, GL_FALSE);
RB_RenderDrawSurfList( cmd->drawSurfs, cmd->numDrawSurfs );
qglColorMask(!backEnd.colorMask[0], !backEnd.colorMask[1], !backEnd.colorMask[2], !backEnd.colorMask[3]);
backEnd.depthFill = qfalse;
if (tr.msaaResolveFbo)
{
// If we're using multisampling, resolve the depth first
FBO_FastBlit(tr.renderFbo, NULL, tr.msaaResolveFbo, NULL, GL_DEPTH_BUFFER_BIT, GL_NEAREST);
}
else if (tr.renderFbo == NULL)
{
// If we're rendering directly to the screen, copy the depth to a texture
GL_BindToTMU(tr.renderDepthImage, 0);
qglCopyTexImage2D(GL_TEXTURE_2D, 0, GL_DEPTH_COMPONENT24, 0, 0, glConfig.vidWidth, glConfig.vidHeight, 0);
}
if (r_ssao->integer)
{
// need the depth in a texture we can do GL_LINEAR sampling on, so copy it to an HDR image
FBO_BlitFromTexture(tr.renderDepthImage, NULL, NULL, tr.hdrDepthFbo, NULL, NULL, NULL, 0);
}
if (r_sunlightMode->integer && backEnd.viewParms.flags & VPF_USESUNLIGHT)
{
vec4_t quadVerts[4];
vec2_t texCoords[4];
vec4_t box;
FBO_Bind(tr.screenShadowFbo);
box[0] = backEnd.viewParms.viewportX * tr.screenShadowFbo->width / (float)glConfig.vidWidth;
box[1] = backEnd.viewParms.viewportY * tr.screenShadowFbo->height / (float)glConfig.vidHeight;
box[2] = backEnd.viewParms.viewportWidth * tr.screenShadowFbo->width / (float)glConfig.vidWidth;
box[3] = backEnd.viewParms.viewportHeight * tr.screenShadowFbo->height / (float)glConfig.vidHeight;
qglViewport(box[0], box[1], box[2], box[3]);
qglScissor(box[0], box[1], box[2], box[3]);
box[0] = backEnd.viewParms.viewportX / (float)glConfig.vidWidth;
box[1] = backEnd.viewParms.viewportY / (float)glConfig.vidHeight;
box[2] = box[0] + backEnd.viewParms.viewportWidth / (float)glConfig.vidWidth;
box[3] = box[1] + backEnd.viewParms.viewportHeight / (float)glConfig.vidHeight;
texCoords[0][0] = box[0]; texCoords[0][1] = box[3];
texCoords[1][0] = box[2]; texCoords[1][1] = box[3];
texCoords[2][0] = box[2]; texCoords[2][1] = box[1];
texCoords[3][0] = box[0]; texCoords[3][1] = box[1];
box[0] = -1.0f;
box[1] = -1.0f;
box[2] = 1.0f;
box[3] = 1.0f;
VectorSet4(quadVerts[0], box[0], box[3], 0, 1);
VectorSet4(quadVerts[1], box[2], box[3], 0, 1);
VectorSet4(quadVerts[2], box[2], box[1], 0, 1);
VectorSet4(quadVerts[3], box[0], box[1], 0, 1);
GL_State( GLS_DEPTHTEST_DISABLE );
GLSL_BindProgram(&tr.shadowmaskShader);
GL_BindToTMU(tr.renderDepthImage, TB_COLORMAP);
if (r_shadowCascadeZFar->integer != 0)
{
GL_BindToTMU(tr.sunShadowDepthImage[0], TB_SHADOWMAP);
GL_BindToTMU(tr.sunShadowDepthImage[1], TB_SHADOWMAP2);
GL_BindToTMU(tr.sunShadowDepthImage[2], TB_SHADOWMAP3);
GL_BindToTMU(tr.sunShadowDepthImage[3], TB_SHADOWMAP4);
GLSL_SetUniformMat4(&tr.shadowmaskShader, UNIFORM_SHADOWMVP, backEnd.refdef.sunShadowMvp[0]);
GLSL_SetUniformMat4(&tr.shadowmaskShader, UNIFORM_SHADOWMVP2, backEnd.refdef.sunShadowMvp[1]);
GLSL_SetUniformMat4(&tr.shadowmaskShader, UNIFORM_SHADOWMVP3, backEnd.refdef.sunShadowMvp[2]);
GLSL_SetUniformMat4(&tr.shadowmaskShader, UNIFORM_SHADOWMVP4, backEnd.refdef.sunShadowMvp[3]);
}
else
{
GL_BindToTMU(tr.sunShadowDepthImage[3], TB_SHADOWMAP);
GLSL_SetUniformMat4(&tr.shadowmaskShader, UNIFORM_SHADOWMVP, backEnd.refdef.sunShadowMvp[3]);
}
GLSL_SetUniformVec3(&tr.shadowmaskShader, UNIFORM_VIEWORIGIN, backEnd.refdef.vieworg);
{
vec4_t viewInfo;
vec3_t viewVector;
float zmax = backEnd.viewParms.zFar;
float ymax = zmax * tan(backEnd.viewParms.fovY * M_PI / 360.0f);
float xmax = zmax * tan(backEnd.viewParms.fovX * M_PI / 360.0f);
float zmin = r_znear->value;
VectorScale(backEnd.refdef.viewaxis[0], zmax, viewVector);
GLSL_SetUniformVec3(&tr.shadowmaskShader, UNIFORM_VIEWFORWARD, viewVector);
VectorScale(backEnd.refdef.viewaxis[1], xmax, viewVector);
GLSL_SetUniformVec3(&tr.shadowmaskShader, UNIFORM_VIEWLEFT, viewVector);
VectorScale(backEnd.refdef.viewaxis[2], ymax, viewVector);
GLSL_SetUniformVec3(&tr.shadowmaskShader, UNIFORM_VIEWUP, viewVector);
VectorSet4(viewInfo, zmax / zmin, zmax, 0.0, 0.0);
GLSL_SetUniformVec4(&tr.shadowmaskShader, UNIFORM_VIEWINFO, viewInfo);
}
RB_InstantQuad2(quadVerts, texCoords); //, color, shaderProgram, invTexRes);
}
if (r_ssao->integer)
{
vec4_t quadVerts[4];
vec2_t texCoords[4];
FBO_Bind(tr.quarterFbo[0]);
qglViewport(0, 0, tr.quarterFbo[0]->width, tr.quarterFbo[0]->height);
qglScissor(0, 0, tr.quarterFbo[0]->width, tr.quarterFbo[0]->height);
VectorSet4(quadVerts[0], -1, 1, 0, 1);
VectorSet4(quadVerts[1], 1, 1, 0, 1);
VectorSet4(quadVerts[2], 1, -1, 0, 1);
VectorSet4(quadVerts[3], -1, -1, 0, 1);
texCoords[0][0] = 0; texCoords[0][1] = 1;
texCoords[1][0] = 1; texCoords[1][1] = 1;
texCoords[2][0] = 1; texCoords[2][1] = 0;
texCoords[3][0] = 0; texCoords[3][1] = 0;
GL_State( GLS_DEPTHTEST_DISABLE );
GLSL_BindProgram(&tr.ssaoShader);
GL_BindToTMU(tr.hdrDepthImage, TB_COLORMAP);
{
vec4_t viewInfo;
float zmax = backEnd.viewParms.zFar;
float zmin = r_znear->value;
VectorSet4(viewInfo, zmax / zmin, zmax, 0.0, 0.0);
GLSL_SetUniformVec4(&tr.ssaoShader, UNIFORM_VIEWINFO, viewInfo);
}
RB_InstantQuad2(quadVerts, texCoords); //, color, shaderProgram, invTexRes);
FBO_Bind(tr.quarterFbo[1]);
qglViewport(0, 0, tr.quarterFbo[1]->width, tr.quarterFbo[1]->height);
qglScissor(0, 0, tr.quarterFbo[1]->width, tr.quarterFbo[1]->height);
GLSL_BindProgram(&tr.depthBlurShader[0]);
GL_BindToTMU(tr.quarterImage[0], TB_COLORMAP);
GL_BindToTMU(tr.hdrDepthImage, TB_LIGHTMAP);
{
vec4_t viewInfo;
float zmax = backEnd.viewParms.zFar;
float zmin = r_znear->value;
VectorSet4(viewInfo, zmax / zmin, zmax, 0.0, 0.0);
GLSL_SetUniformVec4(&tr.depthBlurShader[0], UNIFORM_VIEWINFO, viewInfo);
}
RB_InstantQuad2(quadVerts, texCoords); //, color, shaderProgram, invTexRes);
FBO_Bind(tr.screenSsaoFbo);
qglViewport(0, 0, tr.screenSsaoFbo->width, tr.screenSsaoFbo->height);
qglScissor(0, 0, tr.screenSsaoFbo->width, tr.screenSsaoFbo->height);
GLSL_BindProgram(&tr.depthBlurShader[1]);
GL_BindToTMU(tr.quarterImage[1], TB_COLORMAP);
GL_BindToTMU(tr.hdrDepthImage, TB_LIGHTMAP);
{
vec4_t viewInfo;
float zmax = backEnd.viewParms.zFar;
float zmin = r_znear->value;
VectorSet4(viewInfo, zmax / zmin, zmax, 0.0, 0.0);
GLSL_SetUniformVec4(&tr.depthBlurShader[1], UNIFORM_VIEWINFO, viewInfo);
}
RB_InstantQuad2(quadVerts, texCoords); //, color, shaderProgram, invTexRes);
}
// reset viewport and scissor
FBO_Bind(oldFbo);
SetViewportAndScissor();
}
if (glRefConfig.framebufferObject && (backEnd.viewParms.flags & VPF_DEPTHCLAMP) && glRefConfig.depthClamp)
{
qglDisable(GL_DEPTH_CLAMP);
}
if (!(backEnd.viewParms.flags & VPF_DEPTHSHADOW))
{
RB_RenderDrawSurfList( cmd->drawSurfs, cmd->numDrawSurfs );
if (r_drawSun->integer)
{
RB_DrawSun(0.1, tr.sunShader);
}
if (r_drawSunRays->integer)
{
FBO_t *oldFbo = glState.currentFBO;
FBO_Bind(tr.sunRaysFbo);
qglClearColor( 0.0f, 0.0f, 0.0f, 1.0f );
qglClear( GL_COLOR_BUFFER_BIT );
if (glRefConfig.occlusionQuery)
{
tr.sunFlareQueryActive[tr.sunFlareQueryIndex] = qtrue;
qglBeginQueryARB(GL_SAMPLES_PASSED_ARB, tr.sunFlareQuery[tr.sunFlareQueryIndex]);
}
RB_DrawSun(0.3, tr.sunFlareShader);
if (glRefConfig.occlusionQuery)
{
qglEndQueryARB(GL_SAMPLES_PASSED_ARB);
}
FBO_Bind(oldFbo);
}
// darken down any stencil shadows
RB_ShadowFinish();
// add light flares on lights that aren't obscured
RB_RenderFlares();
}
if (glRefConfig.framebufferObject && tr.renderCubeFbo && backEnd.viewParms.targetFbo == tr.renderCubeFbo)
{
FBO_Bind(NULL);
GL_SelectTexture(TB_CUBEMAP);
GL_BindToTMU(tr.cubemaps[backEnd.viewParms.targetFboCubemapIndex], TB_CUBEMAP);
qglGenerateMipmapEXT(GL_TEXTURE_CUBE_MAP);
GL_SelectTexture(0);
}
return (const void *)(cmd + 1);
}
/*
=================
RB_BeginDrawingView
Any mirrored or portaled views have already been drawn, so prepare
to actually render the visible surfaces for this view
=================
*/
void RB_BeginDrawingView (void) {
int clearBits = 0;
// sync with gl if needed
if ( r_finish->integer == 1 && !glState.finishCalled ) {
qglFinish ();
glState.finishCalled = qtrue;
}
if ( r_finish->integer == 0 ) {
glState.finishCalled = qtrue;
}
// we will need to change the projection matrix before drawing
// 2D images again
backEnd.projection2D = qfalse;
if (glRefConfig.framebufferObject)
{
// FIXME: HUGE HACK: render to the screen fbo if we've already postprocessed the frame and aren't drawing more world
// drawing more world check is in case of double renders, such as skyportals
if (backEnd.viewParms.targetFbo == NULL)
{
if (!tr.renderFbo || (backEnd.framePostProcessed && (backEnd.refdef.rdflags & RDF_NOWORLDMODEL)))
{
FBO_Bind(NULL);
}
else
{
FBO_Bind(tr.renderFbo);
}
}
else
{
FBO_Bind(backEnd.viewParms.targetFbo);
// FIXME: hack for cubemap testing
if (tr.renderCubeFbo && backEnd.viewParms.targetFbo == tr.renderCubeFbo)
{
//qglFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT, GL_TEXTURE_CUBE_MAP_POSITIVE_X + backEnd.viewParms.targetFboLayer, backEnd.viewParms.targetFbo->colorImage[0]->texnum, 0);
qglFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT, GL_TEXTURE_CUBE_MAP_POSITIVE_X + backEnd.viewParms.targetFboLayer, tr.cubemaps[backEnd.viewParms.targetFboCubemapIndex]->texnum, 0);
}
}
}
//
// set the modelview matrix for the viewer
//
SetViewportAndScissor();
// ensures that depth writes are enabled for the depth clear
GL_State( GLS_DEFAULT );
// clear relevant buffers
clearBits = GL_DEPTH_BUFFER_BIT;
if ( r_measureOverdraw->integer || r_shadows->integer == 2 )
{
clearBits |= GL_STENCIL_BUFFER_BIT;
}
if ( r_fastsky->integer && !( backEnd.refdef.rdflags & RDF_NOWORLDMODEL ) )
{
clearBits |= GL_COLOR_BUFFER_BIT; // FIXME: only if sky shaders have been used
#ifdef _DEBUG
qglClearColor( 0.8f, 0.7f, 0.4f, 1.0f ); // FIXME: get color of sky
#else
qglClearColor( 0.0f, 0.0f, 0.0f, 1.0f ); // FIXME: get color of sky
#endif
}
// clear to white for shadow maps
if (backEnd.viewParms.flags & VPF_SHADOWMAP)
{
clearBits |= GL_COLOR_BUFFER_BIT;
qglClearColor( 1.0f, 1.0f, 1.0f, 1.0f );
}
// clear to black for cube maps
if (tr.renderCubeFbo && backEnd.viewParms.targetFbo == tr.renderCubeFbo)
{
clearBits |= GL_COLOR_BUFFER_BIT;
qglClearColor( 0.0f, 0.0f, 0.0f, 1.0f );
}
qglClear( clearBits );
if ( ( backEnd.refdef.rdflags & RDF_HYPERSPACE ) )
{
RB_Hyperspace();
return;
}
else
{
backEnd.isHyperspace = qfalse;
}
glState.faceCulling = -1; // force face culling to set next time
// we will only draw a sun if there was sky rendered in this view
backEnd.skyRenderedThisView = qfalse;
// clip to the plane of the portal
if ( backEnd.viewParms.isPortal ) {
#if 0
float plane[4];
double plane2[4];
plane[0] = backEnd.viewParms.portalPlane.normal[0];
plane[1] = backEnd.viewParms.portalPlane.normal[1];
plane[2] = backEnd.viewParms.portalPlane.normal[2];
plane[3] = backEnd.viewParms.portalPlane.dist;
plane2[0] = DotProduct (backEnd.viewParms.or.axis[0], plane);
plane2[1] = DotProduct (backEnd.viewParms.or.axis[1], plane);
plane2[2] = DotProduct (backEnd.viewParms.or.axis[2], plane);
plane2[3] = DotProduct (plane, backEnd.viewParms.or.origin) - plane[3];
#endif
GL_SetModelviewMatrix( s_flipMatrix );
}
}
/*
=================
RB_BeginDrawingView
Any mirrored or portaled views have already been drawn, so prepare
to actually render the visible surfaces for this view
=================
*/
static void RB_BeginDrawingView (void) {
int clearBits = GL_DEPTH_BUFFER_BIT;
// sync with gl if needed
if ( r_finish->integer == 1 && !glState.finishCalled ) {
qglFinish ();
glState.finishCalled = qtrue;
}
if ( r_finish->integer == 0 ) {
glState.finishCalled = qtrue;
}
// we will need to change the projection matrix before drawing
// 2D images again
backEnd.projection2D = qfalse;
//
// set the modelview matrix for the viewer
//
SetViewportAndScissor();
// ensures that depth writes are enabled for the depth clear
GL_State( GLS_DEFAULT );
// clear relevant buffers
if ( r_measureOverdraw->integer || r_shadows->integer == 2 || tr_stencilled )
{
clearBits |= GL_STENCIL_BUFFER_BIT;
tr_stencilled = false;
}
if (skyboxportal)
{
if ( backEnd.refdef.rdflags & RDF_SKYBOXPORTAL )
{ // portal scene, clear whatever is necessary
if (r_fastsky->integer || (backEnd.refdef.rdflags & RDF_NOWORLDMODEL) )
{ // fastsky: clear color
// try clearing first with the portal sky fog color, then the world fog color, then finally a default
clearBits |= GL_COLOR_BUFFER_BIT;
if (tr.world && tr.world->globalFog != -1)
{
const fog_t *fog = &tr.world->fogs[tr.world->globalFog];
qglClearColor(fog->parms.color[0], fog->parms.color[1], fog->parms.color[2], 1.0f );
}
else
{
qglClearColor ( 0.3f, 0.3f, 0.3f, 1.0 );
}
}
}
}
else
{
if ( r_fastsky->integer && !( backEnd.refdef.rdflags & RDF_NOWORLDMODEL ) && !g_bRenderGlowingObjects )
{
if (tr.world && tr.world->globalFog != -1)
{
const fog_t *fog = &tr.world->fogs[tr.world->globalFog];
qglClearColor(fog->parms.color[0], fog->parms.color[1], fog->parms.color[2], 1.0f );
}
else
{
qglClearColor( 0.3f, 0.3f, 0.3f, 1 ); // FIXME: get color of sky
}
clearBits |= GL_COLOR_BUFFER_BIT; // FIXME: only if sky shaders have been used
}
}
if ( !( backEnd.refdef.rdflags & RDF_NOWORLDMODEL ) && ( r_DynamicGlow->integer && !g_bRenderGlowingObjects ) )
{
if (tr.world && tr.world->globalFog != -1)
{ //this is because of a bug in multiple scenes I think, it needs to clear for the second scene but it doesn't normally.
const fog_t *fog = &tr.world->fogs[tr.world->globalFog];
qglClearColor(fog->parms.color[0], fog->parms.color[1], fog->parms.color[2], 1.0f );
clearBits |= GL_COLOR_BUFFER_BIT;
}
}
// If this pass is to just render the glowing objects, don't clear the depth buffer since
// we're sharing it with the main scene (since the main scene has already been rendered). -AReis
if ( g_bRenderGlowingObjects )
{
clearBits &= ~GL_DEPTH_BUFFER_BIT;
}
if (clearBits)
{
qglClear( clearBits );
}
if ( ( backEnd.refdef.rdflags & RDF_HYPERSPACE ) )
{
RB_Hyperspace();
return;
}
else
{
backEnd.isHyperspace = qfalse;
}
glState.faceCulling = -1; // force face culling to set next time
// we will only draw a sun if there was sky rendered in this view
backEnd.skyRenderedThisView = qfalse;
// clip to the plane of the portal
if ( backEnd.viewParms.isPortal ) {
float plane[4];
double plane2[4];
plane[0] = backEnd.viewParms.portalPlane.normal[0];
plane[1] = backEnd.viewParms.portalPlane.normal[1];
plane[2] = backEnd.viewParms.portalPlane.normal[2];
plane[3] = backEnd.viewParms.portalPlane.dist;
plane2[0] = DotProduct (backEnd.viewParms.ori.axis[0], plane);
plane2[1] = DotProduct (backEnd.viewParms.ori.axis[1], plane);
plane2[2] = DotProduct (backEnd.viewParms.ori.axis[2], plane);
plane2[3] = DotProduct (plane, backEnd.viewParms.ori.origin) - plane[3];
qglLoadMatrixf( s_flipMatrix );
qglClipPlane (GL_CLIP_PLANE0, plane2);
qglEnable (GL_CLIP_PLANE0);
} else {
qglDisable (GL_CLIP_PLANE0);
}
}
/*
=============
RB_DrawSurfs
=============
*/
const void *RB_DrawSurfs( const void *data ) {
const drawSurfsCommand_t *cmd;
// finish any 2D drawing if needed
if ( tess.numIndexes ) {
RB_EndSurface();
}
cmd = (const drawSurfsCommand_t *)data;
backEnd.refdef = cmd->refdef;
backEnd.viewParms = cmd->viewParms;
RB_RenderDrawSurfList( cmd->drawSurfs, cmd->numDrawSurfs );
// Dynamic Glow/Flares:
/*
The basic idea is to render the glowing parts of the scene to an offscreen buffer, then take
that buffer and blur it. After it is sufficiently blurred, re-apply that image back to
the normal screen using a additive blending. To blur the scene I use a vertex program to supply
four texture coordinate offsets that allow 'peeking' into adjacent pixels. In the register
combiner (pixel shader), I combine the adjacent pixels using a weighting factor. - Aurelio
*/
// Render dynamic glowing/flaring objects.
if ( !(backEnd.refdef.rdflags & RDF_NOWORLDMODEL) && g_bDynamicGlowSupported && r_DynamicGlow->integer )
{
// Copy the normal scene to texture.
qglDisable( GL_TEXTURE_2D );
qglEnable( GL_TEXTURE_RECTANGLE_EXT );
qglBindTexture( GL_TEXTURE_RECTANGLE_EXT, tr.sceneImage );
qglCopyTexSubImage2D( GL_TEXTURE_RECTANGLE_EXT, 0, 0, 0, backEnd.viewParms.viewportX, backEnd.viewParms.viewportY, backEnd.viewParms.viewportWidth, backEnd.viewParms.viewportHeight);
qglDisable( GL_TEXTURE_RECTANGLE_EXT );
qglEnable( GL_TEXTURE_2D );
// Just clear colors, but leave the depth buffer intact so we can 'share' it.
qglClearColor( 0.0f, 0.0f, 0.0f, 0.0f );
qglClear( GL_COLOR_BUFFER_BIT );
// Render the glowing objects.
g_bRenderGlowingObjects = true;
RB_RenderDrawSurfList( cmd->drawSurfs, cmd->numDrawSurfs );
g_bRenderGlowingObjects = false;
qglFinish();
// Copy the glow scene to texture.
qglDisable( GL_TEXTURE_2D );
qglEnable( GL_TEXTURE_RECTANGLE_EXT );
qglBindTexture( GL_TEXTURE_RECTANGLE_EXT, tr.screenGlow );
qglCopyTexSubImage2D( GL_TEXTURE_RECTANGLE_EXT, 0, 0, 0, backEnd.viewParms.viewportX, backEnd.viewParms.viewportY, backEnd.viewParms.viewportWidth, backEnd.viewParms.viewportHeight );
qglDisable( GL_TEXTURE_RECTANGLE_EXT );
qglEnable( GL_TEXTURE_2D );
// Resize the viewport to the blur texture size.
const int oldViewWidth = backEnd.viewParms.viewportWidth;
const int oldViewHeight = backEnd.viewParms.viewportHeight;
backEnd.viewParms.viewportWidth = r_DynamicGlowWidth->integer;
backEnd.viewParms.viewportHeight = r_DynamicGlowHeight->integer;
SetViewportAndScissor();
// Blur the scene.
RB_BlurGlowTexture();
// Copy the finished glow scene back to texture.
qglDisable( GL_TEXTURE_2D );
qglEnable( GL_TEXTURE_RECTANGLE_EXT );
qglBindTexture( GL_TEXTURE_RECTANGLE_EXT, tr.blurImage );
qglCopyTexSubImage2D( GL_TEXTURE_RECTANGLE_EXT, 0, 0, 0, 0, 0, backEnd.viewParms.viewportWidth, backEnd.viewParms.viewportHeight );
qglDisable( GL_TEXTURE_RECTANGLE_EXT );
qglEnable( GL_TEXTURE_2D );
// Set the viewport back to normal.
backEnd.viewParms.viewportWidth = oldViewWidth;
backEnd.viewParms.viewportHeight = oldViewHeight;
SetViewportAndScissor();
qglClear( GL_COLOR_BUFFER_BIT );
// Draw the glow additively over the screen.
RB_DrawGlowOverlay();
}
return (const void *)(cmd + 1);
}
/*
=================
RB_BeginDrawingView
Any mirrored or portaled views have already been drawn, so prepare
to actually render the visible surfaces for this view
=================
*/
void RB_BeginDrawingView (void) {
int clearBits = 0;
// sync with gl if needed
if ( r_finish->integer == 1 && !glState.finishCalled ) {
qglFinish ();
glState.finishCalled = qtrue;
}
if ( r_finish->integer == 0 ) {
glState.finishCalled = qtrue;
}
// we will need to change the projection matrix before drawing
// 2D images again
backEnd.projection2D = qfalse;
if (glRefConfig.framebufferObject)
{
FBO_t *fbo = backEnd.viewParms.targetFbo;
// FIXME: HUGE HACK: render to the screen fbo if we've already postprocessed the frame and aren't drawing more world
// drawing more world check is in case of double renders, such as skyportals
if (fbo == NULL && !(backEnd.framePostProcessed && (backEnd.refdef.rdflags & RDF_NOWORLDMODEL)))
fbo = tr.renderFbo;
if (tr.renderCubeFbo && fbo == tr.renderCubeFbo)
{
cubemap_t *cubemap = &tr.cubemaps[backEnd.viewParms.targetFboCubemapIndex];
FBO_AttachImage(fbo, cubemap->image, GL_COLOR_ATTACHMENT0_EXT, backEnd.viewParms.targetFboLayer);
}
FBO_Bind(fbo);
}
//
// set the modelview matrix for the viewer
//
SetViewportAndScissor();
// ensures that depth writes are enabled for the depth clear
GL_State( GLS_DEFAULT );
// clear relevant buffers
clearBits = GL_DEPTH_BUFFER_BIT;
if ( r_measureOverdraw->integer || r_shadows->integer == 2 )
{
clearBits |= GL_STENCIL_BUFFER_BIT;
}
if ( r_fastsky->integer && !( backEnd.refdef.rdflags & RDF_NOWORLDMODEL ) )
{
clearBits |= GL_COLOR_BUFFER_BIT; // FIXME: only if sky shaders have been used
}
// clear to black for cube maps
if (tr.renderCubeFbo && backEnd.viewParms.targetFbo == tr.renderCubeFbo)
{
clearBits |= GL_COLOR_BUFFER_BIT;
}
qglClear( clearBits );
if ( ( backEnd.refdef.rdflags & RDF_HYPERSPACE ) )
{
RB_Hyperspace();
return;
}
else
{
backEnd.isHyperspace = qfalse;
}
// we will only draw a sun if there was sky rendered in this view
backEnd.skyRenderedThisView = qfalse;
// clip to the plane of the portal
if ( backEnd.viewParms.isPortal ) {
#if 0
float plane[4];
GLdouble plane2[4];
plane[0] = backEnd.viewParms.portalPlane.normal[0];
plane[1] = backEnd.viewParms.portalPlane.normal[1];
plane[2] = backEnd.viewParms.portalPlane.normal[2];
plane[3] = backEnd.viewParms.portalPlane.dist;
plane2[0] = DotProduct (backEnd.viewParms.or.axis[0], plane);
plane2[1] = DotProduct (backEnd.viewParms.or.axis[1], plane);
plane2[2] = DotProduct (backEnd.viewParms.or.axis[2], plane);
plane2[3] = DotProduct (plane, backEnd.viewParms.or.origin) - plane[3];
#endif
GL_SetModelviewMatrix( s_flipMatrix );
}
}
/*
=============
RB_PostProcess
=============
*/
const void *RB_PostProcess(const void *data)
{
const postProcessCommand_t *cmd = data;
FBO_t *srcFbo;
ivec4_t srcBox, dstBox;
qboolean autoExposure;
// finish any 2D drawing if needed
if(tess.numIndexes)
RB_EndSurface();
if (!glRefConfig.framebufferObject || !r_postProcess->integer)
{
// do nothing
return (const void *)(cmd + 1);
}
if (cmd)
{
backEnd.refdef = cmd->refdef;
backEnd.viewParms = cmd->viewParms;
}
srcFbo = tr.renderFbo;
if (tr.msaaResolveFbo)
{
// Resolve the MSAA before anything else
// Can't resolve just part of the MSAA FBO, so multiple views will suffer a performance hit here
FBO_FastBlit(tr.renderFbo, NULL, tr.msaaResolveFbo, NULL, GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT, GL_NEAREST);
srcFbo = tr.msaaResolveFbo;
}
dstBox[0] = backEnd.viewParms.viewportX;
dstBox[1] = backEnd.viewParms.viewportY;
dstBox[2] = backEnd.viewParms.viewportWidth;
dstBox[3] = backEnd.viewParms.viewportHeight;
if (r_ssao->integer)
{
srcBox[0] = backEnd.viewParms.viewportX * tr.screenSsaoImage->width / (float)glConfig.vidWidth;
srcBox[1] = backEnd.viewParms.viewportY * tr.screenSsaoImage->height / (float)glConfig.vidHeight;
srcBox[2] = backEnd.viewParms.viewportWidth * tr.screenSsaoImage->width / (float)glConfig.vidWidth;
srcBox[3] = backEnd.viewParms.viewportHeight * tr.screenSsaoImage->height / (float)glConfig.vidHeight;
FBO_Blit(tr.screenSsaoFbo, srcBox, NULL, srcFbo, dstBox, NULL, NULL, GLS_SRCBLEND_DST_COLOR | GLS_DSTBLEND_ZERO);
}
srcBox[0] = backEnd.viewParms.viewportX;
srcBox[1] = backEnd.viewParms.viewportY;
srcBox[2] = backEnd.viewParms.viewportWidth;
srcBox[3] = backEnd.viewParms.viewportHeight;
if (srcFbo)
{
if (r_hdr->integer && (r_toneMap->integer || r_forceToneMap->integer))
{
autoExposure = r_autoExposure->integer || r_forceAutoExposure->integer;
RB_ToneMap(srcFbo, srcBox, NULL, dstBox, autoExposure);
}
else if (r_cameraExposure->value == 0.0f)
{
FBO_FastBlit(srcFbo, srcBox, NULL, dstBox, GL_COLOR_BUFFER_BIT, GL_NEAREST);
}
else
{
vec4_t color;
color[0] =
color[1] =
color[2] = pow(2, r_cameraExposure->value); //exp2(r_cameraExposure->value);
color[3] = 1.0f;
FBO_Blit(srcFbo, srcBox, NULL, NULL, dstBox, NULL, color, 0);
}
}
if (r_drawSunRays->integer)
RB_SunRays(NULL, srcBox, NULL, dstBox);
if (1)
RB_BokehBlur(NULL, srcBox, NULL, dstBox, backEnd.refdef.blurFactor);
else
RB_GaussianBlur(backEnd.refdef.blurFactor);
#if 0
if (0)
{
vec4_t quadVerts[4];
vec2_t texCoords[4];
ivec4_t iQtrBox;
vec4_t box;
vec4_t viewInfo;
static float scale = 5.0f;
scale -= 0.005f;
if (scale < 0.01f)
scale = 5.0f;
FBO_FastBlit(NULL, NULL, tr.quarterFbo[0], NULL, GL_COLOR_BUFFER_BIT, GL_LINEAR);
iQtrBox[0] = backEnd.viewParms.viewportX * tr.quarterImage[0]->width / (float)glConfig.vidWidth;
iQtrBox[1] = backEnd.viewParms.viewportY * tr.quarterImage[0]->height / (float)glConfig.vidHeight;
iQtrBox[2] = backEnd.viewParms.viewportWidth * tr.quarterImage[0]->width / (float)glConfig.vidWidth;
iQtrBox[3] = backEnd.viewParms.viewportHeight * tr.quarterImage[0]->height / (float)glConfig.vidHeight;
qglViewport(iQtrBox[0], iQtrBox[1], iQtrBox[2], iQtrBox[3]);
qglScissor(iQtrBox[0], iQtrBox[1], iQtrBox[2], iQtrBox[3]);
VectorSet4(box, 0.0f, 0.0f, 1.0f, 1.0f);
texCoords[0][0] = box[0]; texCoords[0][1] = box[3];
texCoords[1][0] = box[2]; texCoords[1][1] = box[3];
texCoords[2][0] = box[2]; texCoords[2][1] = box[1];
texCoords[3][0] = box[0]; texCoords[3][1] = box[1];
VectorSet4(box, -1.0f, -1.0f, 1.0f, 1.0f);
VectorSet4(quadVerts[0], box[0], box[3], 0, 1);
VectorSet4(quadVerts[1], box[2], box[3], 0, 1);
VectorSet4(quadVerts[2], box[2], box[1], 0, 1);
VectorSet4(quadVerts[3], box[0], box[1], 0, 1);
GL_State(GLS_DEPTHTEST_DISABLE);
VectorSet4(viewInfo, backEnd.viewParms.zFar / r_znear->value, backEnd.viewParms.zFar, 0.0, 0.0);
viewInfo[2] = scale / (float)(tr.quarterImage[0]->width);
viewInfo[3] = scale / (float)(tr.quarterImage[0]->height);
FBO_Bind(tr.quarterFbo[1]);
GLSL_BindProgram(&tr.depthBlurShader[2]);
GL_BindToTMU(tr.quarterImage[0], TB_COLORMAP);
GLSL_SetUniformVec4(&tr.depthBlurShader[2], UNIFORM_VIEWINFO, viewInfo);
RB_InstantQuad2(quadVerts, texCoords);
FBO_Bind(tr.quarterFbo[0]);
GLSL_BindProgram(&tr.depthBlurShader[3]);
GL_BindToTMU(tr.quarterImage[1], TB_COLORMAP);
GLSL_SetUniformVec4(&tr.depthBlurShader[3], UNIFORM_VIEWINFO, viewInfo);
RB_InstantQuad2(quadVerts, texCoords);
SetViewportAndScissor();
FBO_FastBlit(tr.quarterFbo[1], NULL, NULL, NULL, GL_COLOR_BUFFER_BIT, GL_LINEAR);
FBO_Bind(NULL);
}
#endif
if (0 && r_sunlightMode->integer)
{
ivec4_t dstBox;
VectorSet4(dstBox, 0, 0, 128, 128);
FBO_BlitFromTexture(tr.sunShadowDepthImage[0], NULL, NULL, NULL, dstBox, NULL, NULL, 0);
VectorSet4(dstBox, 128, 0, 128, 128);
FBO_BlitFromTexture(tr.sunShadowDepthImage[1], NULL, NULL, NULL, dstBox, NULL, NULL, 0);
VectorSet4(dstBox, 256, 0, 128, 128);
FBO_BlitFromTexture(tr.sunShadowDepthImage[2], NULL, NULL, NULL, dstBox, NULL, NULL, 0);
VectorSet4(dstBox, 384, 0, 128, 128);
FBO_BlitFromTexture(tr.sunShadowDepthImage[3], NULL, NULL, NULL, dstBox, NULL, NULL, 0);
}
if (0)
{
ivec4_t dstBox;
VectorSet4(dstBox, 256, glConfig.vidHeight - 256, 256, 256);
FBO_BlitFromTexture(tr.renderDepthImage, NULL, NULL, NULL, dstBox, NULL, NULL, 0);
VectorSet4(dstBox, 512, glConfig.vidHeight - 256, 256, 256);
FBO_BlitFromTexture(tr.screenShadowImage, NULL, NULL, NULL, dstBox, NULL, NULL, 0);
}
if (0)
{
ivec4_t dstBox;
VectorSet4(dstBox, 256, glConfig.vidHeight - 256, 256, 256);
FBO_BlitFromTexture(tr.sunRaysImage, NULL, NULL, NULL, dstBox, NULL, NULL, 0);
}
#if 0
if (r_cubeMapping->integer && tr.numCubemaps)
{
ivec4_t dstBox;
int cubemapIndex = R_CubemapForPoint( backEnd.viewParms.or.origin );
if (cubemapIndex)
{
VectorSet4(dstBox, 0, glConfig.vidHeight - 256, 256, 256);
//FBO_BlitFromTexture(tr.renderCubeImage, NULL, NULL, NULL, dstBox, &tr.testcubeShader, NULL, 0);
FBO_BlitFromTexture(tr.cubemaps[cubemapIndex - 1].image, NULL, NULL, NULL, dstBox, &tr.testcubeShader, NULL, 0);
}
}
#endif
backEnd.framePostProcessed = qtrue;
return (const void *)(cmd + 1);
}
/*
=================
RB_BeginDrawingView
Any mirrored or portaled views have already been drawn, so prepare
to actually render the visible surfaces for this view
=================
*/
void RB_BeginDrawingView( void )
{
backEnd.frameViewCount++;
// sync with gl if needed
if ( r_finish->integer == 1 && !glState.finishCalled ) {
glFinish ();
glState.finishCalled = qtrue;
}
if ( r_finish->integer == 0 ) {
glState.finishCalled = qtrue;
}
// we will need to change the projection matrix before drawing
// 2D images again
RB_SetProjection2D( qfalse );
//
// set the modelview matrix for the viewer
//
SetViewportAndScissor();
// ensures that depth writes are enabled for the depth clear
GL_State( GLS_DEFAULT );
glClear( GL_DEPTH_BUFFER_BIT );
if ( ( backEnd.refdef.rdflags & RDF_HYPERSPACE ) )
{
RB_Hyperspace();
return;
}
else
{
backEnd.isHyperspace = qfalse;
}
R_StateForceReset( TSN_Cull ); // force face culling to set next time
// we will only draw a sun if there was sky rendered in this view
backEnd.skyRenderedThisView = qfalse;
// clip to the plane of the portal
if ( backEnd.viewParms.isPortal )
{
float plane[4];
double plane2[4];
plane[0] = backEnd.viewParms.portalPlane.normal[0];
plane[1] = backEnd.viewParms.portalPlane.normal[1];
plane[2] = backEnd.viewParms.portalPlane.normal[2];
plane[3] = backEnd.viewParms.portalPlane.dist;
plane2[0] = DotProduct (backEnd.viewParms.or.axis[0], plane);
plane2[1] = DotProduct (backEnd.viewParms.or.axis[1], plane);
plane2[2] = DotProduct (backEnd.viewParms.or.axis[2], plane);
plane2[3] = DotProduct (plane, backEnd.viewParms.or.origin) - plane[3];
R_StateSetModelViewMatrixCountedRaw( s_flipMatrix );
glClipPlane (GL_CLIP_PLANE0, plane2);
glEnable (GL_CLIP_PLANE0);
} else {
glDisable (GL_CLIP_PLANE0);
}
}
